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Arduino Project Handbook by Mark Geddes

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PROJECT 17: ROCKET LAUNCHER

IN THIS PROJECT WE’LL CREATE A PROGRAMMABLE COUNTDOWN TIMER THAT WE’LL USE TO LAUNCH A ROCKET BY IGNITING A FUSE WHEN THE COUNTDOWN REACHES 0.

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PARTS REQUIRED

• Arduino board

• Breadboard

• Jumper wires

• Four-digit, seven-segment serial display

• Piezo buzzer

• 2 momentary tactile four-pin pushbutton

• 50k-ohm potentiometer

• 3 LEDs (red, green, yellow)

• 3 220-ohm resistors

LIBRARIES REQUIRED

• SoftwareSerial

We’ll use a four-digit, seven-segment serial display that has a built-in integrated circuit to control the ...

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